/*********************************************************************
 * Copyright (C) 2003 Andrew Khan
 * <p>
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * <p>
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * <p>
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***************************************************************************/

package jxl.biff.drawing;

import jxl.common.Logger;

/**
 * Class for atoms.  This may be instantiated as is for unknown/uncared about
 * atoms, or subclassed if we have some semantic interest in the contents
 */
class EscherAtom extends EscherRecord {
    /**
     * The logger
     */
    private static Logger logger = Logger.getLogger(EscherAtom.class);

    /**
     * Constructor
     *
     * @param erd the escher record data
     */
    public EscherAtom(EscherRecordData erd) {
        super(erd);
    }

    /**
     * Constructor
     *
     * @param type the type
     */
    protected EscherAtom(EscherRecordType type) {
        super(type);
    }

    /**
     * Gets the data for writing
     *
     * @return the data
     */
    byte[] getData() {
        logger.warn("escher atom getData called on object of type " +
                getClass().getName() + " code " +
                Integer.toString(getType().getValue(), 16));
        return null;
    }
}
